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Advanced Harmonic Analyzer Measurement

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Signal Processing Resource Center » LabVIEW Signal Processing Shipping Examples » Advanced Harmonic Analyzer Measurement

Given an input signal, finds the fundamental frequency and computes Total Harmonic Distortion (THD). This example is conceptually similar to the Basic Harmonic Analyzer example. You can further control the measurement by restricting the number of harmonics used to compute THD and by including or excluding the aliased frequencies. If you are interested in a particular frequency, you can specify it using the advanced search criteria of approximate fundamental frequency and percent search. Discover how to Analyze Data with LabVIEW

Learn about using textual algorithms for signal processing with NI LabVIEW MathScript

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This example requires the Full or Professional version of LabVIEW and is included as a shipping example. Download the LabVIEW Evaluation to try this example on your computer, or visit the LabVIEW Online Evaluation to use LabVIEW without downloading any software. To run this example, open LabVIEW and navigate to Help » Find Examples... » Analyzing and Processing Signals » INSERT Signal Processing

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This example program (this "program") was developed by a National Instruments ("NI") Applications Engineer. Although technical support of this program may be made available by National Instruments, this program may not be completely tested and verified, and NI does not guarantee its quality in any way or that NI will continue to support this program with each new revision of related products and drivers. THIS EXAMPLE PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND AND SUBJECT TO CERTAIN RESTRICTIONS AS MORE SPECIFICALLY SET FORTH IN NI.COM'S TERMS OF USE (http://ni.com/legal/termsofuse/unitedstates/us/).